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对恩口、斗笠山两煤矿区的三次大规模矿井抽(排)水试验观测资料分析表明,这两矿区地下水位呈有规律的、连续不断的波状起伏变化。每天出现两个起伏,起伏在时间上基本一致,但幅度大小不一,一般仅0.2～0.3米左右,并且这一起伏变化是月球和太阳对地球吸引力作用的结果,笔者称它为地下水潮。显然,在作水文地质计算时,必须估计这一影响。现将这种地下水潮的特征介绍于下,并试论其产生条件及影响因素。一、地质构造及水文地质概况恩口一斗笠山煤矿区为一大致北东～南西向的复式向斜盆地,矿区内各种性质的断裂
The analysis of experimental data of three large-scale pumping (row) water tests in Grace Mine and Tushan Mountain two coal mines shows that the groundwater level in these mines has a regular and continuous wave undulation. There are two ups and downs each day, ups and downs in time basically the same, but the magnitude of different sizes, generally only about 0.2 to 0.3 meters, and the ups and downs of the moon and the sun is the result of the attraction of the Earth, I call it a groundwater tide . Obviously, this effect must be estimated when making hydrogeological calculations. The characteristics of this kind of groundwater tides are introduced below, and the conditions and influencing factors are discussed. I. Geological Structure and Hydrological Geology A coal mine in the area of Lvkou-Lushan coal mine is a synclinal basin with a general north-northeast to south-west direction with various types of faults in the mining area